Re: [PATCH] Re: tmem on 4.1 (was [Xen-devel] Re: Freeze schedule)

[Tim Deegan <Tim.Deegan@xxxxxxxxxx>]

At 21:38 +0000 on 19 Jan (1295473089), Dan Magenheimer wrote:
> Just to check again, has anyone actually seen a problem with
> tmem enabled by default recently?  I agree that there is still
> theoretically a problem, but there is the same problem with
> normal guests doing lots of ballooning as well.  Also, note
> that even if tmem defaults to enabled, the problem is impossible
> unless a guest enables tmem (or, in the case of SuSE, dom0).

I thought we already had this discussion and you agreed to disable tmem.
I only posted a patch because IanJ pointed out that we hadn't actually
done it.

> And even if a guest does enable tmem, the problem manifested
> largely due to shadow pages using order>0 (now fixed?)...

Yes, that's now fixed. 

Tim.

-- 
Tim Deegan <Tim.Deegan@xxxxxxxxxx>
Principal Software Engineer, Xen Platform Team
Citrix Systems UK Ltd.  (Company #02937203, SL9 0BG)

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